2024 aluminum coil is a heat-treatable aluminum–copper–magnesium alloy in the 2xxx series. It is well known for its high strength, excellent fatigue resistance, and good machinability, making it one of the most widely used alloys in the aerospace and high-performance structural industries. Due to its relatively lower corrosion resistance, 2024 aluminum sheet is often supplied with cladding or surface treatments to enhance durability.
Description
Yutwin New Materials specializes in the production of aluminum coils and sheets in a wide range of alloys, grades, and specifications, offering stable quality, flexible customization, and reliable supply to meet the diverse needs of different industries.
Features
- High Mechanical Strength
Provides an excellent strength-to-weight ratio, suitable for demanding structural and load-bearing applications.
- Excellent Fatigue Resistance
Performs reliably under cyclic loading, making it ideal for aerospace and transportation components.
- Good Machinability
Supports precision machining, drilling, and milling with stable dimensional accuracy.
- Heat Treatable Alloy
Mechanical properties can be significantly improved through solution heat treatment and aging processes.
- Widely Proven Performance
A mature alloy with long-term application history in high-performance engineering fields.
Specifications
| Item | Specification |
|---|---|
| Alloy / Grade | 2024 |
| Chemical Composition (%) | Cu 3.8–4.9, Mg 1.2–1.8, Mn 0.3–0.9, Fe ≤ 0.50, Si ≤ 0.50, Zn ≤ 0.25, Ti ≤ 0.15, Al Balance |
| Series | 2000 Series (Al-Cu-Mg) |
| Temper | O, T3, T4, T6, T351 |
| Thickness (mm) | 0.5 – 200 |
| Width (mm) | 100 – 2600 |
| Length (mm) | 1000 – 12000 (Customizable) |
| Surface Finish | Mill Finish, Alclad, Anodized, Painted |
| Standard | ASTM B209, EN AW-2024, AMS 4037 / 4041 |
Common Aluminum Surface Treatments
Polishing
Polishing uses mechanical grinding, chemical, or electrochemical methods to improve the smoothness and brightness of aluminum surfaces. Polished aluminum features a high-gloss finish and excellent decorative appearance.
Brushing
Brushing is a surface treatment process that creates fine, directional textures on aluminum using abrasive belts or brushes. The brushed surface provides a refined metallic appearance while helping conceal minor scratches.
Coating
Coating applies a protective coating onto the aluminum surface through powder coating, liquid spraying, or other coating methods. It provides excellent weather resistance, corrosion protection, and a wide range of color options. Coated aluminum offers both decorative appeal and long-term durabilit.
Anodizing
Anodizing is an electrochemical process that forms a dense oxide layer on the aluminum surface, improving corrosion resistance, wear resistance, and surface hardness. The oxide layer can also be colored to achieve various finishes.
Sand Blasting
Sand blasting uses high-speed abrasive particles to impact the aluminum surface, creating a uniform matte texture. This process provides a soft metallic appearance, reduces fingerprint marks, and improves coating adhesion for subsequent finishing processes.
Embossing
Embossing is a process that forms raised or recessed patterns on aluminum surfaces through rolling or stamping. Common patterns include stucco, diamond, and wood grain textures. Embossed aluminum offers excellent decorative effects, scratch resistance, and certain anti-slip properties.
Applications
- Aircraft structures and fuselage panels.
- Aerospace components and wing skins.
- High-strength structural parts.
- Military and defense equipment.
- Precision mechanical and engineering components.
